

H. Cecil Booth, inventor of the first suction-powered vacuum, first experimented by covering his lips with various fabrics and taking giant gulps of detritus off his floor.

China is the birthplace of the first seismograph. Built in 132 AD by a man named Cheng Heng, it consisted of eight metal dragons holding eight carved balls over eight frog figurines. I.f an earthquake made the ground vibrate, the dragon facing the quake’s source would drop a ball into the mouth of its corresponding frog
Ludwig Van Beethoven originally dedicated his 3rd symphony to Napoleon. However, when Napoleon took the crown out of the Pope’s hands and crowned himself emperor, Beethoven was so disappointed in him that he changed the dedication to “Heroic Symphony… to Celebrate the Memory of a Great Man.”